diff --git a/EGroupware-EPL-Installation.md b/EGroupware-EPL-Installation.md
index d81438f..002c38f 100644
--- a/EGroupware-EPL-Installation.md
+++ b/EGroupware-EPL-Installation.md
@@ -1194,7 +1194,7 @@ vi /etc/apt/apt.conf.d/50unattended-upgrades
 find the Unattended-Upgrade::Allowed-Origins and based on your distro you should add the following line:
 
 ```
-"obs\://build.opensuse.org/stylite-epl/xUbuntu_17.10:";
+"obs\://build.opensuse.org/stylite-epl/xUbuntu_17.10:${distro_codename}";
 ```
 in the above case since our distro was 17.10 we add the xUbuntu_17.10. If you are using other debians like deb 8/9 instead of Unattended-Upgrade::Allowed-Origins you need to look for Unattended-Upgrade::Origins-Pattern and add the following line:
 ```